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American Zinc Association Trade organization comprised of primary and secondary producers of zinc metal, zinc oxide and zinc dust marketed in the United States. http://www.zinc.org/
Grillo-Werke AG Offer a range of zinc products including anodes, strip made , foil, wire and calot. http://www.grillo.de/index.php?id=40&L=2
Horsehead Corporation Manufacturer of zinc metal, dust, and powder, as well as zinc oxide, from recycled sources. Headquartered in Pennsylvania, manufacturing in several US states. http://www.horsehead.net/
P.R. Chandna Outline of the zinc extraction processes. http://members.tripod.com/prchandna/zincprocess.htm
Ritchey Metals Company Inc. Northeast USA manufacture of zinc based alloys for the casting and plating industries. http://www.ritcheymetals.com
Vertic Zinc rods and zinc wire from Finland. http://www.vertic.fi
Zincworld An information service to the public and to users of zinc by the International Zinc Association. http://www.zincworld.org/